TkGate is a event driven digital circuit simulator with a tcl/tk-based graphical editor. TkGate supports a wide range of primitive circuit elements as well as user-defined modules for hierarchical design.

Stem-Les (Lexicon Extraction Suite) extracts lexical chunks that are relevant in a corpus of documents. If the corpus is bilingual, Stem-Les also finds translation equivalents for the lexical solution selected by the user.

WavetoMidi converts from audio,wav,mp3,etc to midi detecting the notes on the source audio with polyphonic result to midi, the result is not exactly as expected but in newer versions it could be.Uses a easy and customizable graphic user interface.